1211112042410 has 8 divisors (see below), whose sum is σ = 2180001676356. Its totient is φ = 484444816960.

The previous prime is 1211112042377. The next prime is 1211112042419. The reversal of 1211112042410 is 142402111121.

It can be written as a sum of positive squares in 2 ways, for example, as 1211102451001 + 9591409 = 1100501^2 + 3097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1211112042419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60555602111 + ... + 60555602130.

Almost surely, 2^{1211112042410} is an apocalyptic number.

1211112042410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211112042410 is a deficient number, since it is larger than the sum of its proper divisors (968889633946).

1211112042410 is a wasteful number, since it uses less digits than its factorization.

1211112042410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121111204248.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1211112042410 its reverse (142402111121), we get a palindrome (1353514153531).

The spelling of 1211112042410 in words is "one trillion, two hundred eleven billion, one hundred twelve million, forty-two thousand, four hundred ten".